CN102161444A - Paper feed type scanner capable of reducing resistance of mechanism - Google Patents
Paper feed type scanner capable of reducing resistance of mechanism Download PDFInfo
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- CN102161444A CN102161444A CN 201110042178 CN201110042178A CN102161444A CN 102161444 A CN102161444 A CN 102161444A CN 201110042178 CN201110042178 CN 201110042178 CN 201110042178 A CN201110042178 A CN 201110042178A CN 102161444 A CN102161444 A CN 102161444A
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- paper feed
- scanning element
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Abstract
The invention relates to a paper feed type scanner capable of reducing the resistance of a mechanism, which comprises a first scanning unit with a first medium conveying roller set, a second scanning unit with a second medium conveying roller set, a drive motor arranged between the first medium conveying roller set and the second medium conveying roller set, a switching mechanism used for alternatively transferring the power of the drive motor to the first medium conveying roller set or the second medium conveying roller set according to the rotating direction of the drive motor so as to reduce the resistance of the mechanism. In the invention, a set of paper feed rollers and paper eject rollers are additionally arranged, and the switching mechanism alternatively transfers the power to the scanning unit needing to work, accordingly, the paper feed type scanner only bears the mechanism load generated by the paper feed rollers and the paper eject rollers with paper taking requirements, so that the mechanism resistance is reduced to certain extent compared with the mechanism of the prior art.
Description
Technical field
The present invention relates to a kind of paper feed formula scanner, particularly about a kind of paper feed formula scanner that comprises a plurality of paper feeding port and can reduce mechanism's resistance.
Background technology
In paper feed formula scanner, if a plurality of paper feeding port are arranged, and only use a motor that power is provided, when paper is got in a roller transmission, can accumulate mechanism's resistance of each paper feeding port.Mechanism's resistance is big more, and is high more for the requirement of motor torsional moment, and corresponding circuit environment requirement also can improve.If torque rating is not enough, the probability that then produces paperboard also can be very high.
Fig. 1, Fig. 2, Fig. 3 a and Fig. 3 b show the paper feed formula scanner with two paper feeding port of prior art.Shown in Fig. 1 to Fig. 3 b, paper feed formula scanner has two paper feeding port 11 ', 12 ', and corresponding different paper feeding port 11 ', 12 ' has two photosensitive imaging elements 13 ', 14 '.Provide power by a motor 15 ',, grasp paper by an intake roller 16 ' through gear cluster 19 ' transmission.Driven voller 17 ', 18 ' plays the platen effect, during even without paper feed, also is to be close together with intake roller 16 '.
When arbitrary paper feeding port 11 ' or 12 ' paper feed, even another paper feeding port does not have paper feed, and intake roller still can be subjected to the resistance of two paper feeding port simultaneously, and this resistance one end comes from the friction of paper and intake roller, and the other end comes from the friction of driven voller and intake roller.Even driven voller adopts metal covering, friction force is less, but has still increased mechanism's resistance to paper feed.
In the above-mentioned paper feed formula scanner, mechanism's resistance is bigger, and is big for the requirement of motor torsional moment, and corresponding circuit environmental requirement also can improve, and can produce bigger noise and heat thus.
Simultaneously, the scanning speed when paper scans with film scanning is different, but uses same pick-up roller to grasp paper, and this just requires motor to adopt different running velocitys under two kinds of scan patterns, thereby makes moment of torsion output situation more complicated.
Summary of the invention
The object of the present invention is to provide a kind of paper feed formula scanner that reduces mechanism's resistance.
For this reason, one aspect of the present invention provides a kind of paper feed formula scanner, comprising: first scanning element with first medium transport roller group; Second scanning element with second medium transport roller group is arranged side by side with first scanning element; Drive motor is arranged between the first medium transport roller group and the second medium transport roller group; And switching mechanism, be used for the power of drive motor being selected a ground and be passed to the first medium transport roller group or the second medium transport roller group to reduce mechanism's resistance according to the rotation direction of drive motor.
Further, above-mentioned switching mechanism comprises: transition gear and is arranged on the motor gear engaged transmission on the drive motor and fixes with respect to the position of motor gear; Swing arm, the center of turn that centers on transition gear is pivotable; First gear is arranged on the swing arm, with the transition gear engaged transmission and when drive motor is rotated in a first direction, be suitable for the first conveying roller group on meshed transmission gear; And second gear, be arranged on the swing arm, with first meshed transmission gear and drive motor when the second direction opposite with first direction rotated, be suitable for the second conveying roller group on meshed transmission gear.
Further, the transmitting ratio between the gear of above-mentioned first gear and the first medium transport roller group differs from the transmitting ratio between the gear of second gear and the second medium transport roller group.
Further, above-mentioned switching mechanism comprises: first free-wheel clutch is arranged on the drive path between the drive motor and the first medium transport roller group; Second free-wheel clutch is arranged on the drive path between the drive motor and the second medium transport roller group; Wherein, the rotation direction of first free-wheel clutch, second free-wheel clutch and drive motor is selected one adaptive.
Further, above-mentioned first free-wheel clutch and second free-wheel clutch are unilateral bearing.
Further, above-mentioned paper feed formula scanner also comprises the first sensor and second sensor that is used for controlling and driving motor rotation direction, and wherein, first sensor is arranged on first scanning element, second sensor is arranged on second scanning element, all is used to detect the paper feed state.
According to a further aspect in the invention, a kind of paper feed formula scanner is provided, comprise second scanning element that is used to scan first scanning element of laminated dielectric and is used to scan thickness dielectric, wherein, at least the second scanning element is movable with respect to the position of intake roller and exit roller.
Further, above-mentioned second scanning element comprises mounting bracket, be fixed to scanner head on the mounting bracket, resilient mounting on mounting bracket corresponding to two driven vollers of intake roller and exit roller and with the elastic element of mounting bracket biased downward, wherein, mounting bracket is provided with the location division of the lowest positions that is used to limit mounting bracket.
Further, above-mentioned first scanning element is movable with respect to the position of intake roller and exit roller.
Further, above-mentioned first scanning element and second scanning element the two one of be in the mode of operation that presses intake roller and exit roller, another then is in the lifting state that breaks away from intake roller and exit roller.
Further, the position of above-mentioned first scanning element and second scanning element is triggered according to the paper feed state and is changed.
In the present invention, by increasing by a cover intake roller and an exit roller, and make switching mechanism select a ground with transmission of power to the scanning element that needs work, so only can be subjected to getting mechanism's load that intake roller and exit roller produced that paper needs, make the original mechanism of mechanism's resistance ratios that the reduction of certain amplitude be arranged.
Except purpose described above, feature and advantage, other purpose, feature and advantage that the present invention has will be described in further detail in conjunction with the accompanying drawings.
Description of drawings
Constitute this specification sheets a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention with specification sheets.Among the figure:
Fig. 1 shows the three-dimensional appearance scheme drawing of existing paper feed formula scanner;
Fig. 2 shows the inner structure scheme drawing of existing paper feed formula scanner;
Fig. 3 a shows the principle schematic of the driving system of paper feed formula scanner shown in Figure 1;
Fig. 3 b shows the birds-eye view of the driving system of paper feed formula scanner shown in Figure 1;
Fig. 4 shows the principle schematic according to the driving system of the paper feed formula scanner of the reducing mechanism resistance of first embodiment of the invention, and wherein, the switching mechanism and first scanning element are in transmission connection;
Fig. 5 shows the principle schematic of the driving system of paper feed formula scanner shown in Figure 4, and wherein, the switching mechanism and second scanning element are in transmission connection;
Fig. 6 shows the principle schematic of first embodiment of the driving system of paper feed formula scanner shown in Figure 4, and wherein, the switching mechanism and first scanning element are in transmission connection;
Fig. 7 shows the principle schematic of first embodiment of the driving system of paper feed formula scanner shown in Figure 6, and wherein, the switching mechanism and second scanning element are in transmission connection;
Fig. 8 shows the structure diagram of switching mechanism of the driving system of paper feed formula scanner shown in Figure 6, and wherein, the switching mechanism and first scanning element are in transmission connection;
Fig. 9 shows the structure diagram of switching mechanism of the driving system of paper feed formula scanner shown in Figure 8, and wherein, the switching mechanism and second scanning element are in transmission connection;
Figure 10 shows the principle schematic of second embodiment of the driving system of paper feed formula scanner shown in Figure 8, and wherein, the switching mechanism and first scanning element are in transmission connection;
Figure 11 shows the principle schematic of second embodiment of the driving system of paper feed formula scanner shown in Figure 8, and wherein, the switching mechanism and second scanning element are in transmission connection;
Figure 12 shows the principle schematic according to the unsteady scanning element of the paper feed formula scanner of the reducing mechanism resistance of second embodiment of the invention;
Figure 13 shows the structural representation of the unsteady scanning element of paper feed formula scanner shown in Figure 12, and wherein, unsteady scanning element is in off-position;
The unsteady scanning element that Figure 14 shows paper feed formula scanner shown in Figure 13 is in the scheme drawing of control position;
Figure 15 shows the principle schematic according to the unsteady scanning element of the paper feed formula scanner of the reducing mechanism resistance of third embodiment of the invention; And
Figure 16 shows the structure diagram of unsteady scanning element shown in Figure 15.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 4 and Fig. 5 show the principle schematic according to the driving system of the paper feed formula scanner of the reducing mechanism resistance of first embodiment of the invention.As shown in Figure 4 and Figure 5, paper feed formula scanner comprises: first scanning element 10 that is set up in parallel and second scanning element 20, the drive motor 30 that is provided with between described first scanning element 10 and second scanning element 20 and select the switching mechanism 40 that a ground is in transmission connection with first scanning element 10 and second scanning element 20.
As shown in Figure 4, when the first sensor 12 of first scanning element 10 detected laminated dielectric to be scanned, the switching mechanism 40 and the first medium transport roller group 11 were in transmission connection, and realized the paper feed operation of first scanning element.
As shown in Figure 5, when the first sensor 22 of second scanning element 20 detected laminated dielectric to be scanned, the switching mechanism 40 and the second medium transport roller group 21 were in transmission connection, to realize the paper feed operation of second scanning element.
Preferably, first scanning element is used to scan ordinary sheet medium occasions such as paper, photograph, and second scanning element is used for needs such as scan film, circuit card and keeps the in addition additionally fixing occasion of card (holder).
Fig. 6 and Fig. 7 show the principle schematic of first embodiment of the driving system of paper feed formula scanner, and Fig. 8 and Fig. 9 show the structure diagram of the switching mechanism of paper feed formula scanner shown in Figure 6.In conjunction with reference to Fig. 6 to Fig. 9, switching mechanism comprises: transition gear 42, the pivotable swing arm 43 of center of turn around transition gear 42 is arranged on first gear 44 on the described swing arm 43, is arranged on second gear 45 on the described swing arm.
As shown in Figure 6, when drive motor 30 anticlockwise directions (first direction) rotated, swing arm 43 was around the axle conter clockwise deflection of transition gear 42, the gear 11a engaged transmission on first gear 44 and the first medium transport roller group 11.As shown in Figure 7, when drive motor 30 clockwise directions (second direction) rotate, swing arm 43 is around the axle clockwise direction deflection of transition gear 42, and first gear 44 breaks away from the engagement with gear 11a, up to the gear 21a engaged transmission of second gear 45 and the second medium transport roller group 21.
So,, make swing arm 43 deflections by turning to of controlling and driving motor, the roller group of contact need paper feed, breaking away from does not need the roller group of paper feed, thereby reaches the purpose at paper feed formula reducing mechanism resistance.Simultaneously, the gear difference of contact then has different transmitting ratios, more helps adjusting the drive motor rotating speed to reach best output.
For example, originally need the control motor rotation to drive the first medium transport roller group for 818 rev/mins,, then only need 409 rev/mins of (transmitting ratio i of motor rotation by transmitting ratio is set
1=2) promptly can reach same scanning speed.And motor running speed is slow more, and the torque rating of output is big more, helps preventing the generation of paperboard, so can select the motor of littler output, thereby reaches the purpose of cost-cutting.
The control that drive motor turns to can realize according to the paper feed signal that first sensor and second sensor provide, for example, when first sensor detects paper feed, the control setup of paper feed formula scanner rotates counterclockwise according to the paper feed signal control motor of its output, when second sensor arrived paper feed, control setup clockwise rotated according to the paper feed signal control motor of its output.Certainly, the control that turns to of drive motor also can be finished according to the indicator signal that the scan operation personnel provide.
In the present embodiment, by increasing by a cover intake roller and an exit roller, and make switching mechanism select a ground with transmission of power to the scanning element that needs work, so only can be subjected to getting mechanism's load that intake roller and exit roller produced that paper needs, make the mechanism of mechanism's resistance ratios prior art that the reduction of certain amplitude be arranged.
In the present embodiment, switching mechanism has adopted the form of mechanical clutch, in other embodiments, also can adopt manual clutch and electric clutch etc. to realize other power-transfer clutch form of powershift.
Figure 10 and Figure 11 show the principle schematic of second embodiment of the driving system of paper feed formula scanner shown in Figure 8.As shown in Figure 10 and Figure 11, switching mechanism 40 comprises: at first free-wheel clutch 46 that is provided with on the drive path between the drive motor and the first medium transport roller group and second free-wheel clutch 47 that is provided with on the drive path between the drive motor and the second medium transport roller group.
Simultaneously, the setting rotation direction of the setting rotation direction of above-mentioned first free-wheel clutch 46 and second free-wheel clutch 47 satisfies following the requirement: when the drive motor clockwise direction rotates, the first free-wheel clutch work, transferring power, second free-wheel clutch skids, not transferring power; When the drive motor anticlockwise motion, the second free-wheel clutch work, transferring power, and first free-wheel clutch skids, transferring power so, has not realized being in transmission connection of drive motor and the first medium transport roller group and the second medium transport roller group.
Present embodiment is similar to first embodiment of driving system, by the rotation direction of controlling and driving motor, has realized switching power between the first medium transport roller group and the second medium transport roller group.
Preferably, first free-wheel clutch and second free-wheel clutch are unilateral bearing, thereby make drive path simplify.This unilateral bearing can be commercial, do not elaborate at this.
Figure 12 shows the paper feed formula scanner according to the reducing mechanism resistance of second embodiment of the invention.As Figure 12 and shown in Figure 13, paper feed formula scanner comprises first scanning mechanism 110 and second scanning mechanism 120, wherein, first scanning mechanism 110 is fixed with respect to intake roller 111 and exit roller 112 positions, and second scanning mechanism 120 floats with respect to intake roller 111 and exit roller 112 positions.
Wherein, driven voller 122 and 111 tangent cooperations of intake roller, another driven voller 123 and 112 tangent cooperations of exit roller.Mounting bracket 121 sides are provided with location division 121a, to limit the lowest positions of mounting bracket 121.
In the lowest positions of mounting bracket, driven voller 122 and intake roller 111 and driven voller 123 and exit roller 112 keep no pressure contact condition.
In the present embodiment, only second scanning mechanism is arranged to floating typely, is adapted to certain thickness scanned medium, carrier wave horse (slide holder) for example, at this moment, the paper feed resistance of second scanning mechanism is bigger, after being arranged to float, the amplitude that the paper feed resistance reduces is bigger.
Scanner working process in the present embodiment is as follows:
As shown in figure 13, when readiness for action or the work of first scanning mechanism, position-limiting action by limiting section 121a, mounting bracket 121 is limited to lowest positions, this moment, the driven voller 122,123 of second scanning mechanism did not contact with exit roller 112 with intake roller 111, even perhaps contact, its thrust also is zero, and this function can be by utilizing spacing this state of realizing of mechanism.
As shown in figure 14, when second scanning mechanism was worked, certain thickness scanned medium (for example object slide stand) interfered with driven voller 122,123 when entering, and it is raised, and compresses driven voller 122,123 simultaneously, produced paper feed pressure, so can finish paper feed.In addition,, then need not rely on the thrust of driven voller, also can realize paper feed if object slide stand is to utilize the guiding paster directly pressing intake roller and exit roller.
Figure 15 and Figure 16 show the paper feed formula scanner according to the reducing mechanism resistance of third embodiment of the invention.As Figure 15 and shown in Figure 16, in the present embodiment, paper feed formula scanner comprises first scanning mechanism 110 and second scanning mechanism 120, wherein, first scanning mechanism 110 and second scanning mechanism 120 have the primary importance and the second place respectively, in primary importance, the driven voller of the driven voller of first scanning mechanism 110 and second scanning mechanism 120 is respectively away from intake roller 111 and exit roller 112, even do not contact or contact pressure also approaches zero, in the second place, the driven voller of the driven voller of first scanning mechanism 110 and second scanning mechanism 120 is approaching respectively and compress intake roller 111 and exit roller 112, so that realize paper feed and scan function.
Alternatively, when scanner during at normal readiness for action, second scanning mechanism 120 breaks away from intake rollers 111 and 120 pairs of systems of exit roller 112, the second scanning mechanisms do not cause mechanism's resistance.When sensing second scanning mechanism, 120 work paper feeds, first scanning mechanism 110 is raised and broken away from intake roller 121 and exit roller 122, and second scanning mechanism falls and contact with exit roller with intake roller, so can finish the paper feed scan function of second scanning mechanism 120, return readiness for action after scanning is finished.
In the present embodiment, trigger first scanning mechanism and second scanning mechanism according to the paper feed state, mechanism's resistance is in minimum rating all the time, so generally is applicable to various scanned mediums.
Triggering the position change of first scanning mechanism and second scanning mechanism can realize by baffle plate is set in scan channel according to the paper feed state.As shown in figure 16, when the scanning port of first scanning mechanism has scanned medium to enter, a baffle plate 124 is set on scan channel, when scanned medium 125 front ends run into baffle plate, scanned medium is depressed this baffle plate, and then first scanning mechanism falls, and realizes paper feed scanning; When scanning was finished, this baffle plate was returned to initial position there not being elastic reset under the situation of pressure, and then pressing board also still is returned to the state of lifting.
In other variant embodiment, above-mentioned baffle plate is driven by driver train, and determines by the paper feed state whether driver train lifts baffle plate or fall.In other variant embodiment, above-mentioned scanning mechanism can be realized by the mechanism that rises on other the realization scanning mechanism position or descend.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Description of reference numerals
10 first scanning elements, 20 second scanning elements
30 drive motor, 40 switching mechanisms
11 first medium transport roller groups, 12 first sensors
21 second medium transport roller groups, 22 second sensors
42 transition gears, 43 swing arms
44 first gears, 45 second gears
31 motor gear 11a, 21a gear
46 first free-wheel clutchs, 47 second free-wheel clutchs
110 first scanning mechanisms, 120 second scanning mechanisms
111 intake rollers, 112 exit rollers
121 mounting brackets, 122,123 driven vollers
124 elastic element 121a location divisions
124 baffle plates, 125 scanned mediums.
Claims (11)
1. a paper feed formula scanner is characterized in that, comprising:
First scanning element with first medium transport roller group;
Second scanning element with second medium transport roller group is arranged side by side with described first scanning element;
Drive motor is arranged between the described first medium transport roller group and the second medium transport roller group; And
Switching mechanism is used for according to the rotation direction of described drive motor the power of described drive motor being selected a ground and is passed to the described first medium transport roller group or the second medium transport roller group, to reduce mechanism's resistance.
2. paper feed formula scanner according to claim 1 is characterized in that described switching mechanism comprises:
Transition gear and is arranged on the motor gear engaged transmission on the described drive motor and fixes with respect to the position of described motor gear;
Swing arm, the center of turn that centers on transition gear is pivotable;
First gear is arranged on the described swing arm, with described transition gear engaged transmission and when described drive motor is rotated in a first direction, be suitable for the described first conveying roller group on meshed transmission gear; And
Second gear is arranged on the described swing arm, with described first meshed transmission gear and described drive motor when the second direction opposite with described first direction rotated, be suitable for the described second conveying roller group on meshed transmission gear.
3. paper feed formula scanner according to claim 2 is characterized in that, the transmitting ratio between the gear on described first gear and the first medium transport roller group differs from the transmitting ratio between the gear on described second gear and the described second medium transport roller group.
4. paper feed formula scanner according to claim 1 is characterized in that described switching mechanism comprises:
First free-wheel clutch is arranged on the drive path between the described drive motor and the first medium transport roller group;
Second free-wheel clutch is arranged on the drive path between the described drive motor and the second medium transport roller group;
Wherein, the rotation direction of described first free-wheel clutch, second free-wheel clutch and described drive motor is selected one adaptive.
5. paper feed formula scanner according to claim 4 is characterized in that described first free-wheel clutch and second free-wheel clutch are unilateral bearing.
6. paper feed formula scanner according to claim 1, it is characterized in that, also comprise the first sensor and second sensor that are used to detect the paper feed state that are used to control described drive motor rotation direction, wherein, described first sensor is arranged on described first scanning element, and described second sensor is arranged on described second scanning element.
7. a paper feed formula scanner comprises second scanning element that is used to scan first scanning element of laminated dielectric and is used to scan thickness dielectric, it is characterized in that described at least second scanning element is movable with respect to the position of described intake roller and exit roller.
8. paper feed formula scanner according to claim 7, it is characterized in that, described second scanning element comprises mounting bracket, be fixed to scanner head on the described mounting bracket, resilient mounting on mounting bracket corresponding to two driven vollers of described intake roller and exit roller and with the elastic element of described mounting bracket biased downward, wherein, described mounting bracket is provided with the location division of the lowest positions that is used to limit mounting bracket.
9. paper feed formula scanner according to claim 7 is characterized in that described first scanning element is movable with respect to the position of described intake roller and exit roller.
10. paper feed formula scanner according to claim 9, it is characterized in that, described first scanning element and second scanning element the two one of be in the mode of operation that presses described intake roller and exit roller, another then is in the lifting state that breaks away from described intake roller and exit roller.
11. paper feed formula scanner according to claim 10 is characterized in that, the position of described first scanning element and second scanning element is triggered according to the paper feed state and is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110042178.9A CN102161444B (en) | 2011-02-21 | 2011-02-21 | Paper feed type scanner capable of reducing resistance of mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110042178.9A CN102161444B (en) | 2011-02-21 | 2011-02-21 | Paper feed type scanner capable of reducing resistance of mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102161444A true CN102161444A (en) | 2011-08-24 |
| CN102161444B CN102161444B (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110042178.9A Expired - Fee Related CN102161444B (en) | 2011-02-21 | 2011-02-21 | Paper feed type scanner capable of reducing resistance of mechanism |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10123804A (en) * | 1996-10-15 | 1998-05-15 | Mita Ind Co Ltd | Driving switching device for image input device |
| CN1592349A (en) * | 2003-08-28 | 2005-03-09 | 虹光精密工业（苏州）有限公司 | Multi-purpose scanner with shared identical power source |
| CN101540819A (en) * | 2009-04-03 | 2009-09-23 | 苏州佳世达电通有限公司 | Sheet-fed image scanning method and scanning device thereof |
| CN101674386A (en) * | 2008-09-08 | 2010-03-17 | 致伸科技股份有限公司 | Sheet-feed scanner provided with name card feeding mechanism |
| CN101729730A (en) * | 2009-12-16 | 2010-06-09 | 苏州佳世达电通有限公司 | Scanning device and scanning method |
| CN101860649A (en) * | 2010-04-18 | 2010-10-13 | 苏州佳世达电通有限公司 | Scanning device and scanning method |
-
2011
- 2011-02-21 CN CN201110042178.9A patent/CN102161444B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10123804A (en) * | 1996-10-15 | 1998-05-15 | Mita Ind Co Ltd | Driving switching device for image input device |
| CN1592349A (en) * | 2003-08-28 | 2005-03-09 | 虹光精密工业（苏州）有限公司 | Multi-purpose scanner with shared identical power source |
| CN101674386A (en) * | 2008-09-08 | 2010-03-17 | 致伸科技股份有限公司 | Sheet-feed scanner provided with name card feeding mechanism |
| CN101540819A (en) * | 2009-04-03 | 2009-09-23 | 苏州佳世达电通有限公司 | Sheet-fed image scanning method and scanning device thereof |
| CN101729730A (en) * | 2009-12-16 | 2010-06-09 | 苏州佳世达电通有限公司 | Scanning device and scanning method |
| CN101860649A (en) * | 2010-04-18 | 2010-10-13 | 苏州佳世达电通有限公司 | Scanning device and scanning method |
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| CN102161444B (en) | 2014-05-21 |
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